2y=4y-6=24
先化简,在求值:6y-(y+2分之y + 2-y分之y)除以y³-4y-2y²+8分之y,其中y=
1.5y+8y-6y=2y-3
解分式方程6y+12/y^2+4y+4 -y^2-4/y^2-4y+4 +y^2/y^2-4=0
{3(x+y)-4(x-y)=4 {x+y/2 + x-y/6=1
解3y+5/3y-6=1/2+5y-4/2y-4
x+y/2+x-y/3=6,4(x+y)-3(x-y)=-20
{(x+y)/2+(x-y)/3=6 4(x+y)-3(x-y)=-20
4(x+y)-3(x-y)=-20,2/x+y+3/x-y=6
解方程:(y+4)/5+y+6=(y+8)/2-(y+4)/3
4x-2y-6y*-y-3x+5y* *=2 就是平方
解方程 2y+5/3y-6-y/2=5y-4/2y-4
解方程:2y+5/3y-6 — y/2 = 5y-4/2y-4